The Supreme Court is hearing arguments in a major legal fight over the $8 billion a year the federal government spends to ...

The U.S. Supreme Court heard arguments on Tuesday by the states of Utah and Oklahoma over where cases involving air quality regulations should be heard.

Young climate activists argued the federal government’s role in climate change violated their constitutional rights.

Arguments over the proper jurisdiction for cases related to ozone pollution and biofuel mandates proved complicated for the ...

Utah Attorney General Derek Brown claimed the Clean Air Act ‘has shut down energy production in Utah,’ raising local concerns during high court hearing ...

The US Supreme Court considered where industry groups and states can challenge EPA actions, suggesting the justices might ...

In a 5-4 ruling earlier this month, the court determined the EPA cannot impose “end result” provisions in permits that ...

The Trump administration recently announced it will reconsider the reach of the nation’s bedrock clean water law and likely ...

MADISON, Wis. (AP) — A group funded by billionaire Elon Musk is offering Wisconsin voters $100 to sign a petition in ...

Republican elected officials in Montana, who have long pushed for the continued operation of Colstrip and boosted efforts to ...

Legal experts warn that the country is sliding toward a constitutional crisis as President Donald Trump openly defies the ...